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Simulation Based Evaluation of Methods for Improving Database Systems Efficiency 基于仿真的提高数据库系统效率方法评价
Third International Conference on Systems (icons 2008) Pub Date : 2008-04-13 DOI: 10.1109/ICONS.2008.43
I. Pozniak-Koszalka, Dawid Pichen
{"title":"Simulation Based Evaluation of Methods for Improving Database Systems Efficiency","authors":"I. Pozniak-Koszalka, Dawid Pichen","doi":"10.1109/ICONS.2008.43","DOIUrl":"https://doi.org/10.1109/ICONS.2008.43","url":null,"abstract":"In this paper, we present the designed and implemented experimentation system giving on to make more complex investigations in database problems area. The objective of experiments is to evaluate methods and algorithms for improving efficiency of database systems. We concentrate on software and hardware altering methods, including indexing, joining tables, manipulations relevant to a data buffer, library and a dictionary, using RAID arrays and hard drive issues. Some results of investigations are presented and discussed.","PeriodicalId":127732,"journal":{"name":"Third International Conference on Systems (icons 2008)","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126517480","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Using User Preferences to Enhance Privacy in Pervasive Systems 使用用户偏好增强普适系统中的隐私
Third International Conference on Systems (icons 2008) Pub Date : 2008-04-13 DOI: 10.1109/ICONS.2008.46
E. Papadopoulou, S. McBurney, N. Taylor, M. Williams, K. Dolinar, M. Neubauer
{"title":"Using User Preferences to Enhance Privacy in Pervasive Systems","authors":"E. Papadopoulou, S. McBurney, N. Taylor, M. Williams, K. Dolinar, M. Neubauer","doi":"10.1109/ICONS.2008.46","DOIUrl":"https://doi.org/10.1109/ICONS.2008.46","url":null,"abstract":"With the increasing interest in developing pervasive computing technologies there is growing recognition of the problems of maintaining user privacy. In the Daidalos pervasive system this is achieved primarily through the use of virtual identities, which are used to conceal the real identity of the user. One problem with this lies in determining to what extent the user should be engaged in the decisions relating to the selection of virtual identities, and what can be done automatically. The solution lies in creating a set of user preferences to assist in taking these decisions, refining them through the use of machine learning techniques. This paper outlines the approach being investigated and describes how this will be achieved when the processes involved in building up user preferences are not trusted.","PeriodicalId":127732,"journal":{"name":"Third International Conference on Systems (icons 2008)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130216315","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Formal Development of a Complex Information System 复杂信息系统的正式开发
Third International Conference on Systems (icons 2008) Pub Date : 2008-04-13 DOI: 10.1109/ICONS.2008.28
César Andrés, Mercedes G. Merayo, M. Núñez
{"title":"Formal Development of a Complex Information System","authors":"César Andrés, Mercedes G. Merayo, M. Núñez","doi":"10.1109/ICONS.2008.28","DOIUrl":"https://doi.org/10.1109/ICONS.2008.28","url":null,"abstract":"In this paper we present a new model to formally represent complex information systems. This new formalism is very suitable to specify time requirements (both time consumption due to the performance of tasks and timeouts) as well as to represent data communication among different components of a system. In addition to provide the theoretical framework, we show how this formalism, based on finite state machines, has been used as the basis to develop a real information system. This exercise convinced us that a formal approach to develop complex systems can facilitate some of the development phases. In particular, the testing phase, more precisely, how to choose which tests to apply, is simplified since tests are automatically extracted from the specification.","PeriodicalId":127732,"journal":{"name":"Third International Conference on Systems (icons 2008)","volume":"21 10","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113975518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Power-Aware Test Framework for Network-on-Chip 片上网络的功耗感知测试框架
Third International Conference on Systems (icons 2008) Pub Date : 2008-04-13 DOI: 10.1109/ICONS.2008.49
Byung-Gyu Ahn, Jun-Mo Jung, J. Chong
{"title":"Power-Aware Test Framework for Network-on-Chip","authors":"Byung-Gyu Ahn, Jun-Mo Jung, J. Chong","doi":"10.1109/ICONS.2008.49","DOIUrl":"https://doi.org/10.1109/ICONS.2008.49","url":null,"abstract":"In this paper, we propose the power-aware test framework for network-on-chip (NoC). First, the possibility of using embedded processor and on-chip network are introduced and evaluated with benchmark system to test the other embedded cores. Second, a new generation method of test pattern, which is called 'don't care mapping', is presented to reduce the power consumption of on-chip network. The experimental results show that the power consumption is reduced up to 8% at the communication components.","PeriodicalId":127732,"journal":{"name":"Third International Conference on Systems (icons 2008)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114562511","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
WebLAut: A Universal Human-Machine Interface for Process Visualization WebLAut:过程可视化的通用人机界面
Third International Conference on Systems (icons 2008) Pub Date : 2008-04-13 DOI: 10.1109/ICONS.2008.38
Ali Malek-Zadeh, H. Dietsch
{"title":"WebLAut: A Universal Human-Machine Interface for Process Visualization","authors":"Ali Malek-Zadeh, H. Dietsch","doi":"10.1109/ICONS.2008.38","DOIUrl":"https://doi.org/10.1109/ICONS.2008.38","url":null,"abstract":"In this contribution it is shown, that the possibilities for the future global management of automation-technical systems is to be increased by Internet technologies. It is, in addition, possible to reduce the complexity in handling such systems. This contribution describes an infrastructure for visualisation of electrical drives and their associated control environment via Internet and usual Web browser and remote handling with such devices. The service oriented architecture presented is based on \"Web technologies\". A description is given of a prototype implementation called WebLAut at the Erlangen Chair of Information Technologies (LIKE). It will be presented by means of various scenarios on the simulation model.","PeriodicalId":127732,"journal":{"name":"Third International Conference on Systems (icons 2008)","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114504769","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electronically Tunable Frequency Filters Based on Transformation Cells 基于变换单元的电子可调谐频率滤波器
Third International Conference on Systems (icons 2008) Pub Date : 2008-04-13 DOI: 10.1109/ICONS.2008.20
J. Koton, K. Vrba
{"title":"Electronically Tunable Frequency Filters Based on Transformation Cells","authors":"J. Koton, K. Vrba","doi":"10.1109/ICONS.2008.20","DOIUrl":"https://doi.org/10.1109/ICONS.2008.20","url":null,"abstract":"In the paper a novel circuit structure realizing a grounded parallel nth-order synthetic immittance system is introduced. Voltage conveyors (VCs) and transadmittance amplifiers (OTAs) are used as active elements. The use of the current-controlled OTAs enables modifying simply the parameters of the synthetic element designed. A further advantage of the synthetic element presented is that all the passive elements used are grounded. The application of the controlled synthetic elements is shown on a realization of tunable 4th-order frequency filters, where the cut-off frequency can be changed in a range from 1 kHz to 1 MHz. The symbolic- analysis conclusions are supplemented by PSpice simulation results.","PeriodicalId":127732,"journal":{"name":"Third International Conference on Systems (icons 2008)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133290551","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Characterizing and Detecting Virus Replication 表征和检测病毒复制
Third International Conference on Systems (icons 2008) Pub Date : 2008-04-13 DOI: 10.1109/ICONS.2008.37
J. Morales, Peter J. Clarke, Yi Deng
{"title":"Characterizing and Detecting Virus Replication","authors":"J. Morales, Peter J. Clarke, Yi Deng","doi":"10.1109/ICONS.2008.37","DOIUrl":"https://doi.org/10.1109/ICONS.2008.37","url":null,"abstract":"Newly released computer viruses are spreading faster than ever before and current signature based detection do not protect against these unknown viruses. This paper presents a characterization of virus replication. Two detection models are developed, one using operation sequence matching and the other using frequency measures. The research shows virus replication can be characterized and used to detect known and unknown viruses with minimal false negatives. In our testing using operation sequence matching, over 250 viruses were detected with 43 subsequences. Detection of 130 viruses, 45% of all tested viruses, occured with the replication sequence of just one virus. Our testing using frequency measures detected all test viruses with no false negatives.","PeriodicalId":127732,"journal":{"name":"Third International Conference on Systems (icons 2008)","volume":"84 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133380256","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A Way to Boost the Data Transfer Speed in Control and Information Systems 一种提高控制与信息系统数据传输速度的方法
Third International Conference on Systems (icons 2008) Pub Date : 2008-04-13 DOI: 10.1109/ICONS.2008.44
O. Krejcar
{"title":"A Way to Boost the Data Transfer Speed in Control and Information Systems","authors":"O. Krejcar","doi":"10.1109/ICONS.2008.44","DOIUrl":"https://doi.org/10.1109/ICONS.2008.44","url":null,"abstract":"The proliferation of mobile computing devices and local-area wireless networks has fostered a growing interest in location-aware systems and services. Additionally, the ability to let a mobile device determine its location in an indoor environment supports the creation of a new range of mobile control system applications. Main area of interest is in model of radio-frequency based system enhancement for locating and tracking users of our control system inside buildings. The developed framework described here joins the concepts of location and user tracking as an extension for new control system. The experimental framework prototype uses a WiFi network infrastructure to let a mobile device determine its indoor position. User location is used to data pre-buffering and pushing information from server to user's PDA. All the server data are saved as artefacts with their position info in building.","PeriodicalId":127732,"journal":{"name":"Third International Conference on Systems (icons 2008)","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116101243","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Communication Security between a Computer and a Hardware Token 计算机和硬件令牌之间的通信安全
Third International Conference on Systems (icons 2008) Pub Date : 2008-04-13 DOI: 10.1109/ICONS.2008.36
Karen Lu, Asad M. Ali
{"title":"Communication Security between a Computer and a Hardware Token","authors":"Karen Lu, Asad M. Ali","doi":"10.1109/ICONS.2008.36","DOIUrl":"https://doi.org/10.1109/ICONS.2008.36","url":null,"abstract":"Hardware security tokens are gradually gaining popularity as tools for strong online authentication and secure storage of personal information. The security services they offer protect online service providers as well as consumers. These tokens are small embedded systems that typically have little or no human interface themselves. They work with software on the host computer for human interface and for interaction with programs on the computer or over the Internet. Since these security tokens typically provide cryptographic services and secure storage, the security of communication between the token and the host computer is a critical piece of the overall security framework. The design of this piece is a challenging task. It requires solving multiple problems, such as ensuring that the hardware token only talks with a legitimate host application; exchanging encryption keys; and minimizing the impact on communication performance. This paper presents our solutions to these problems. These solutions are applicable in a variety of hardware security tokens.","PeriodicalId":127732,"journal":{"name":"Third International Conference on Systems (icons 2008)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125042930","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Optimizing Secure Collaboration Transactions for Modern Information Systems 优化现代信息系统的安全协作事务
Third International Conference on Systems (icons 2008) Pub Date : 2008-04-13 DOI: 10.1109/ICONS.2008.72
R. Whittaker, Gonzalo Argote-Garcia, Peter J. Clarke, R.K. Ege
{"title":"Optimizing Secure Collaboration Transactions for Modern Information Systems","authors":"R. Whittaker, Gonzalo Argote-Garcia, Peter J. Clarke, R.K. Ege","doi":"10.1109/ICONS.2008.72","DOIUrl":"https://doi.org/10.1109/ICONS.2008.72","url":null,"abstract":"The issue of securing a collaboration within an information system is often addressed from the viewpoint of establishing a security policy that grants access to data by what role an individual has or the permissions that are attached to the underlying data. These methods are well suited for transactions where the concern is to secure the data during and after a collaboration. In the situation where the concern is to release the data without any security control after the release, these methods are unproductive. In such an environment the initial disclosure of data is crucial. In this paper we present the Optimal Data Security Module that addresses the need for an individual to select a minimal data set for a single collaboration transaction that results in the greatest return when collaborating with other entities within an information system. Therefore an individual could minimize the risk of sharing his/her data and maximize the reward when collaborating with other parties.","PeriodicalId":127732,"journal":{"name":"Third International Conference on Systems (icons 2008)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122555481","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
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